<#macro around _collection _left _right _join >
${_left}
<#list _collection as col >
${col}
    <#if col_has_next>
    ${_join}
    </#if>
</#list>
${_right}
</#macro>
<#macro bracket _collection>
    <@around _collection=_collection _left="(" _right=")" _join=","/>
</#macro>